Clear Sky Chart

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Distance Mi	Bear -ing	S p o n s o r e d?	Chart	Preview color key	Light Pollution	Prov/State	Comments/Links
0			CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
2	N		San Mateo			California
3	SE		Ewell Observatory			California
7	SW		Half Moon Bay			California
10	NW		Pacifica			California
10	SE		Menlo Park			California
10	SE		Menlo School			California	A school with an astronomy club. In Atherton
12	SE		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
13	SE		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
15	SE		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
15	NW		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
17	N		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
17	SE		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
17	SE		Montebello			California	Montebello Open Space Preserve is a site used by TAC
17	SE		Mountain View			California
18	NE		Castro Valley			California
18	NW		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
19	E		Fremont			California	The town in Alameda country.
19	N		Oakland			California
19	NE		Barking Spider Observatory			California	A private observatory near Castro Valley.
20	S		Pescadero			California
21	NE		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
22	SE		Cupertino			California
22	SE		Greenhawk Observatory			California	A private observatory.
24	N		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
25	NE		DarkSights Observatory			California	A private observatory.
25	NE		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
26	NE		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
26	SE		Saratoga			California
27	N		Point Richmond			California
28	SE		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
28	SE		San Jose			California	Home of the San Jose Astronomical Association.
30	NW		Mount Tamalpais State Park			California	Centered on Rock Springs parking area, of Mount Tamalpais State Park, a site used by the San Francisco Amateur Astronomers. Also site of astronomy programs organized by the Mt. Tamalpais Interpretive Association (MTIA).
30	SE		Ross Creek Observatory			California	A private observatory in San Jose.
32	N		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
32	N		San Rafael			California	A site used by the used by the Marin Observers.
32	NE		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
33	E		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
33	N		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
33	NE		Diablo Valley College			California	College near Concord.
33	NE		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
34	S		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
34	SE		Holmes Observatory			California	A private observatory near Lompico.
34	SE		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
35	NE		Concord Observatory			California	A private observatory in Concord.
36	E		Del Valle			California	Site details.
37	E		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
37	S		Davenport Beach			California	A beach in Davenport.
40	S		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
41	E		Mount Hamilton			California	Home of the Lick Observatory.
41	N		North Point Observatory			California	A private observatory.
41	N		Vallejo Observatory			California	A private observatory site close to Vallejo.
41	SE		Rancho Cañada del Oro			California	An Open Space Preserve of the Santa Clara County Open Space Authority. Used by the San Jose Astronomical Association for public outreach.
41	SE		Santa Teresa Spring			California
42	SE		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
43	SE		Hidden Valley Observatory			California	A private observatory near Soquel.
44	NE		Brentwood			California	Forecast also covers Byran and Oakley.
44	NE		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
44	SE		Cabrillo College Observatory			California	Observatory of Cabrillo College.
47	SE		Morgan Hill			California
48	E		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
48	NW		Drakes Bay visitors center			California	Officially the Kenneth C. Patrick Vistor Center. Site of astronomy classes at the Point Reyes National Seashore national park.
50	SE		Henry Coe State Park			California	A site used by SJAA and TAC
51	E		Tracy Airport			California
52	N		Sonoma			California
52	SE		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
53	N		Napa			California
53	NW		Marshall			California	A town in Marin county by Tomales Bay.
55	NE		Rio Vista			California	A town in Solano county.
58	N		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
60	N		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
60	N		Vacaville			California
61	SE		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
63	N		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
64	NE		Stockton			California	Home of the Stockton Astronomical Society.
66	N		Santa Rosa			California
67	SE		MIRA Weaver Student Observatory			California	Public observatory of the Monterey Institute for Research in Astronomy.
68	N		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
69	NW		Occidental Observatory			California	Near Occidental.
69	S		Cypress Point Club			California	A golf course.
70	E		Newman Vista Point			California	A lookout on Interstate 5.
70	S		La Mesa Urban Observatory			California	A private observatory in Monterey.
70	SE		Pacheco State Park			California	A state park used as a dark sky site.
71	NE		Lodi			California
71	NW		Forestville			California	A town in Sonoma county.
71	SE		Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
71	SE		Maple's Observatory			California	A private observatory somewhere around Salinas.
72	N		Angwin			California
72	S		Carmel			California
72	SE		Dinosaur Point			California	A site used by SJAA and TAC
74	E		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
74	N		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
76	NW		The Bishop's Ranch			California	Retreat and conference center.
77	NE		Davis			California	A town in Yolo county.
79	NW		Vista Trail			California	Trail and overlook in Sonoma County.
80	E		Green Acres Observatory			California	A private observatory.
80	NE		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
81	N		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
82	E		Turlock			California	A town in Stanislaus county.
82	N		Esparto			California	Site used by the Davis Astronomers.
83	NE		Wilton			California
85	SE		Tularcitos Observatory			California	A site used by the Mira Observers Group
86	NE		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
91	NW		Lake Sonoma			California	A site used by TAC
92	E		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
94	N		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
94	S		Pfeiffer Big Sur State Park			California	State park in Big Sur.
95	NE		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
95	SE		MIRA Chews Ridge Observatory			California	Observatory of the Monterey Institute for Research in Astronomy.
96	NE		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
96	SE		Panoche Pass			California
98	SE		Pinnacles Campground			California	Campground at the east entrance of Pinnacles National Park.
100	SE		D.A.R.C. Observatory			California	A private observatory near Mercy Hot Springs.
102	NW		Sea Ranch			California	A private ranch near Gualala.
103	E		Merced			California
103	N		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
103	N		Taylor Observatory			California	A community Observatory in Kelseyville.
104	NE		Sierra Skies Observatory			California	A private observatory.
105	E		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
106	NE		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
106	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
107	N		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
107	NW		Gualala			California
109	NE		Buena Vista Observatory			California	A private observatory.
110	NE		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
111	E		Don Pedro Reservoir			California	Centered on a public scenic outlook at the north end of lake and recreation area.
111	NE		Penryn			California
113	NE		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
113	SE		Limekiln State Park			California	State park near Big Sur. Forcast also covers the lookout tower at Cone Peak.
115	NE		Cameron Park Rotary Club Community Observatory			California	A community observatory built and operated by the Rotary Club of Cameron Park, the El Dorado County Office of Education, and Folsom Lake College. In El Dorado County.
116	N		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
116	NE		Auburn			California	Forecast also covers the Auburn State Recreation Area
118	NE		Heaven's Plateau			California	Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
118	NW		Lookout Ranch			California	A private ranch.
119	E		Greeley Hill Observatory			California	A private observatory near Coulterville.
119	N		Powerpoint Lookout			California	A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
119	NE		Arnold Observatory			California	A private observatory.
120	NE		Keeton Observing Site			California	A private observing site also used by some members of the Sacramento Valley Astronomical Society
121	E		Plettstone			California	Home of the Dale Jay Steed Observatory, a private observatory. A site used by members of TAC and the SJAA. Near Mariposa.
124	NE		Rancho Del Sol Observatory			California	A private observatory near Camino.
125	E		High Sierra Park			California	In the Stanislaus National Forest near Mi-Wuk Village.
126	N		Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
126	SE		Condon Peak Campground			California	A campground on BLM land.
128	SE		Mendota Wildlife Area			California	A wildlife area a few files north-east of Tranquillity.
130	NE		Penn Valley			California
130	NE		Rock Hill Observatory			California	A private observatory in Grass Valley.
131	E		Mariposa Fairgrounds			California	Fairgrounds in Mariposa county.
131	NE		Foresthill			California
132	E		Eastman Lake Recreation Area			California	Recreation area used by the Central Valley Astronomers.
133	E		Lee DaSilva Observatory			California	A private observatory near Madera.
134	NE		Peddler Hill			California	A site used by the Stockton Astronomical Society.
137	NE		Ice House Observation Plateau			California
137	NE		NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
138	E		Hensley Lake			California	Regular observing site of the Central Valley Astronomers.
138	NE		James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
139	NE		Nevada City			California
139	NE		Shot Rock			California	A spot along the Carson Pass Highway.
139	SE		SkiesAway Remote Observatories			California	A commerical observatory hosting remote telescopes.
141	NE		Bear Valley			California	A town in Alpine county. Forecast also covers Tamarack and Lake Alpine.
142	E		Artis Observatory			California	A private observatory somewhere around Yosemite Lakes.
142	N		Feather River Observatory			California	A private observatory in Oroville.
142	NW		Chamberlain Creek Rest Stop			California	A public rest-stop on Highway 20.
142	SE		Lake San Antonio			California	A site used by SJAA and TAC
143	N		BREIT IDEAS Observatory			California	A private observatory.
143	NE		Donnell Vista			California	A recreation area in the Stanislaus National Forest.
144	E		Ahwahnee Hills Observatory			California	A private observatory located in Ahwahnee.
145	E		Coarsegold			California
146	NW		Mendocino			California
148	NE		Blue Canyon			California	Airport site used by the Sacramento Valley Astronomical Society.
149	E		Bayt Observatory			California	A private observatory near Coarsegold.
149	E		Horsetail Fall			California	A seasonal waterfall in Yosemite National Park.
150	E		HOLT Observatory			California	A private observatory.
152	E		Fresno			California	Home of the Central Valley Astronomers.
152	E		Glacier Point			California	A site of public star parties. In Yosemite National Park.
155	N		Big Bird Observatory			California	A private observatory near Paradise.
155	NE		Lightholder Optics Observatory			California	Observatory of Lightholder Optics.
155	SE		Parkfield			California	A town in Monterey county.
155	SE		Ranchita Canyon Observatory			California	A private observatory Monterey County.
157	N		Buckhorn Recreation Area			California	Recreation area and campground on Black Butte Lake. Home of the Black Butte Lake Star Party.
157	N		Meadow View Observatory			California	A private observatory.
158	N		Chico Community Observatory			California	A community observatory in Upper Bidwell Park.
158	N		Paradise			California
159	N		Starry Kingdom Observatory			California	A private observatory in Laytonville.
160	SE		Cuesta College - North County Campus			California	A campus of Cuesta College. Site of star parties held by the Central Coast Astronomical Society.
161	NE		South Lake Tahoe			California
164	E		Sierra Remote Observatories			California	A group of observatories in the Sierra Nevada Mountains of California, dedicated to state-of-the-art robotic/remote imaging and data acquisition.
164	SE		Redman Observatory			California	A private observatory.
165	NE		Saddleback Observatory			California	A private observatory.
165	NE		Sierra Stars Observatory			California	A private observatory near Paynesville.
165	SE		Lemoore			California	A town in Kings county.
166	NE		Bertucci's Sky			Nevada	A private observatory.
167	NE		Northstar Ski Resort			California	Resort and site of commercial star tours. Near Lake Tahoe.
168	E		Lost Valley Observatory			California	A private observatory between Yosemite and Kings Canyon in the Sierra Nevada Mountains.
168	NE		Little Grass Valley Reservoir			California	Rservoir surounded by Little Grass Valley Recreation Area with several campgrounds.
168	NE		Monitor Pass			California
169	E		Shaver Lake			California
169	SE		Atascadero			California
171	NE		Gardnerville			Nevada
171	SE		Cerro Alto Campground			California	Campground 8 miles from Morro Bay
171	SE		Hanford			California
172	NE		Cottontail Observatory			California	A private observatory somewhere around Walker.
172	NE		Martis Creek Campground			California	A site used by the Astronomical Society of Nevada.
172	NE		Ruhenstroth Observatory			Nevada	A private observatory somewhere around Gardnerville.
174	NE		Sand Point			Nevada	In Lake Tahoe Nevada State Park, Near Incline Village.
175	E		Yamada Observatory			California	A private observatory in Wonder Valley, east of Fresno.
176	E		Conway Summit			California	A dark site 12 miles north of Lee Vinning in Mono County.
176	SE		Bowen Observatory			California	Observatory of Cuesta College.
177	E		Bridgeport Lake Private Observatory			California	A private observatory in Bridgeport Valley.
179	NE		Jack C. Davis Observatory			Nevada	Observatory of the Western Nevada Community College. Affiliated with the Western Nevada Astronomical Society. In Carson City

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